Contract: TokenNedCoin
Malicious: no
Decompiled opcodes:
PUSH1 0x60 PUSH1 0x40 MSTORE CALLVALUE ISZERO PUSH2 0x000f JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH1 0x40 MLOAD PUSH2 0x0850 CODESIZE SUB DUP1 PUSH2 0x0850 DUP4 CODECOPY DUP2 ADD PUSH1 0x40 MSTORE DUP1 DUP1 MLOAD SWAP2 SWAP1 PUSH1 0x20 ADD DUP1 MLOAD DUP3 ADD SWAP2 SWAP1 PUSH1 0x20 ADD DUP1 MLOAD SWAP2 SWAP1 PUSH1 0x20 ADD DUP1 MLOAD SWAP1 SWAP2 ADD SWAP1 POP JUMPDEST PUSH1 0xff DUP3 AND PUSH1 0x0a EXP DUP5 MUL PUSH1 0x00 DUP2 DUP2 SSTORE PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB CALLER AND DUP2 MSTORE PUSH1 0x04 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 SHA3 SSTORE PUSH1 0x01 DUP4 DUP1 MLOAD PUSH2 0x0079 SWAP3 SWAP2 PUSH1 0x20 ADD SWAP1 PUSH2 0x00a7 JUMP JUMPDEST POP PUSH1 0x02 DUP1 SLOAD PUSH1 0xff NOT AND PUSH1 0xff DUP5 AND OR SWAP1 SSTORE PUSH1 0x03 DUP2 DUP1 MLOAD PUSH2 0x009c SWAP3 SWAP2 PUSH1 0x20 ADD SWAP1 PUSH2 0x00a7 JUMP JUMPDEST POP JUMPDEST POP POP POP POP PUSH2 0x0147 JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x01 DUP2 PUSH1 0x01 AND ISZERO PUSH2 0x0100 MUL SUB AND PUSH1 0x02 SWAP1 DIV SWAP1 PUSH1 0x00 MSTORE PUSH1 0x20 PUSH1 0x00 SHA3 SWAP1 PUSH1 0x1f ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1f LT PUSH2 0x00e8 JUMPI DUP1 MLOAD PUSH1 0xff NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x0115 JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x01 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x0115 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x0115 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x01 ADD SWAP1 PUSH2 0x00fa JUMP JUMPDEST JUMPDEST POP PUSH2 0x0122 SWAP3 SWAP2 POP PUSH2 0x0126 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x0144 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x0122 JUMPI PUSH1 0x00 DUP2 SSTORE PUSH1 0x01 ADD PUSH2 0x012c JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x06fa DUP1 PUSH2 0x0156 PUSH1 0x00 CODECOPY PUSH1 0x00 RETURN STOP PUSH1 0x60 PUSH1 0x40 MSTORE CALLDATASIZE ISZERO PUSH2 0x0096 JUMPI PUSH4 0xffffffff PUSH29 0x0100000000000000000000000000000000000000000000000000000000 PUSH1 0x00 CALLDATALOAD DIV AND PUSH4 0x06fdde03 DUP2 EQ PUSH2 0x009b JUMPI DUP1 PUSH4 0x095ea7b3 EQ PUSH2 0x0126 JUMPI DUP1 PUSH4 0x18160ddd EQ PUSH2 0x015c JUMPI DUP1 PUSH4 0x23b872dd EQ PUSH2 0x0181 JUMPI DUP1 PUSH4 0x313ce567 EQ PUSH2 0x01bd JUMPI DUP1 PUSH4 0x70a08231 EQ PUSH2 0x01e6 JUMPI DUP1 PUSH4 0x95d89b41 EQ PUSH2 0x0217 JUMPI DUP1 PUSH4 0xa9059cbb EQ PUSH2 0x02a2 JUMPI DUP1 PUSH4 0xdd62ed3e EQ PUSH2 0x02d8 JUMPI JUMPDEST PUSH1 0x00 DUP1 REVERT JUMPDEST CALLVALUE ISZERO PUSH2 0x00a6 JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH2 0x00ae PUSH2 0x030f JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 SWAP1 DUP2 ADD DUP4 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x00 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x00eb JUMPI DUP1 DUP3 ADD MLOAD DUP2 DUP5 ADD MSTORE JUMPDEST PUSH1 0x20 ADD PUSH2 0x00d2 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1f AND DUP1 ISZERO PUSH2 0x0118 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x01 DUP4 PUSH1 0x20 SUB PUSH2 0x0100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x0131 JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH2 0x0148 PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB PUSH1 0x04 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x03ad JUMP JUMPDEST PUSH1 0x40 MLOAD SWAP1 ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x0167 JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH2 0x016f PUSH2 0x041a JUMP JUMPDEST PUSH1 0x40 MLOAD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x018c JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH2 0x0148 PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB PUSH1 0x04 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x0420 JUMP JUMPDEST PUSH1 0x40 MLOAD SWAP1 ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x01c8 JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH2 0x01d0 PUSH2 0x050a JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0xff SWAP1 SWAP2 AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x01f1 JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH2 0x016f PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB PUSH1 0x04 CALLDATALOAD AND PUSH2 0x0513 JUMP JUMPDEST PUSH1 0x40 MLOAD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x0222 JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH2 0x00ae PUSH2 0x0532 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP2 SWAP1 DUP2 ADD DUP4 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x00 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x00eb JUMPI DUP1 DUP3 ADD MLOAD DUP2 DUP5 ADD MSTORE JUMPDEST PUSH1 0x20 ADD PUSH2 0x00d2 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1f AND DUP1 ISZERO PUSH2 0x0118 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x01 DUP4 PUSH1 0x20 SUB PUSH2 0x0100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x02ad JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH2 0x0148 PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB PUSH1 0x04 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x05d0 JUMP JUMPDEST PUSH1 0x40 MLOAD SWAP1 ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE ISZERO PUSH2 0x02e3 JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH2 0x016f PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB PUSH1 0x04 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x06a1 JUMP JUMPDEST PUSH1 0x40 MLOAD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST PUSH1 0x01 DUP1 SLOAD PUSH1 0x01 DUP2 PUSH1 0x01 AND ISZERO PUSH2 0x0100 MUL SUB AND PUSH1 0x02 SWAP1 DIV DUP1 PUSH1 0x1f ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH1 0x01 DUP2 PUSH1 0x01 AND ISZERO PUSH2 0x0100 MUL SUB AND PUSH1 0x02 SWAP1 DIV DUP1 ISZERO PUSH2 0x03a5 JUMPI DUP1 PUSH1 0x1f LT PUSH2 0x037a JUMPI PUSH2 0x0100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x03a5 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x00 MSTORE PUSH1 0x20 PUSH1 0x00 SHA3 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x01 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x0388 JUMPI DUP3 SWAP1 SUB PUSH1 0x1f AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB CALLER DUP2 AND PUSH1 0x00 DUP2 DUP2 MSTORE PUSH1 0x05 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP5 DUP8 AND DUP1 DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE DUP1 DUP3 SHA3 DUP6 SWAP1 SSTORE SWAP1 SWAP3 SWAP2 SWAP1 PUSH32 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925 SWAP1 DUP6 SWAP1 MLOAD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x01 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x00 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB DUP4 AND PUSH1 0x00 SWAP1 DUP2 MSTORE PUSH1 0x04 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x0470 JUMPI POP PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB DUP1 DUP6 AND PUSH1 0x00 SWAP1 DUP2 MSTORE PUSH1 0x05 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 CALLER SWAP1 SWAP5 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD DUP3 SWAP1 LT ISZERO JUMPDEST ISZERO ISZERO PUSH2 0x047b JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB DUP1 DUP5 AND PUSH1 0x00 DUP2 DUP2 MSTORE PUSH1 0x04 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 DUP1 SLOAD DUP9 ADD SWAP1 SSTORE DUP9 DUP6 AND DUP1 DUP5 MSTORE DUP2 DUP5 SHA3 DUP1 SLOAD DUP10 SWAP1 SUB SWAP1 SSTORE PUSH1 0x05 DUP4 MSTORE DUP2 DUP5 SHA3 CALLER SWAP1 SWAP7 AND DUP5 MSTORE SWAP5 SWAP1 SWAP2 MSTORE SWAP1 DUP2 SWAP1 SHA3 DUP1 SLOAD DUP7 SWAP1 SUB SWAP1 SSTORE SWAP1 SWAP2 SWAP1 PUSH32 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef SWAP1 DUP6 SWAP1 MLOAD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x01 JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x02 SLOAD PUSH1 0xff AND DUP2 JUMP JUMPDEST PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB DUP2 AND PUSH1 0x00 SWAP1 DUP2 MSTORE PUSH1 0x04 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD JUMPDEST SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x03 DUP1 SLOAD PUSH1 0x01 DUP2 PUSH1 0x01 AND ISZERO PUSH2 0x0100 MUL SUB AND PUSH1 0x02 SWAP1 DIV DUP1 PUSH1 0x1f ADD PUSH1 0x20 DUP1 SWAP2 DIV MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD PUSH1 0x01 DUP2 PUSH1 0x01 AND ISZERO PUSH2 0x0100 MUL SUB AND PUSH1 0x02 SWAP1 DIV DUP1 ISZERO PUSH2 0x03a5 JUMPI DUP1 PUSH1 0x1f LT PUSH2 0x037a JUMPI PUSH2 0x0100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x03a5 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x00 MSTORE PUSH1 0x20 PUSH1 0x00 SHA3 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x01 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x0388 JUMPI DUP3 SWAP1 SUB PUSH1 0x1f AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP DUP2 JUMP JUMPDEST PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB CALLER AND PUSH1 0x00 SWAP1 DUP2 MSTORE PUSH1 0x04 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 SHA3 SLOAD DUP3 SWAP1 LT DUP1 ISZERO SWAP1 PUSH2 0x0612 JUMPI POP PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB DUP4 AND PUSH1 0x00 SWAP1 DUP2 MSTORE PUSH1 0x04 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 SHA3 SLOAD DUP3 DUP2 ADD GT JUMPDEST ISZERO ISZERO PUSH2 0x061d JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB DUP4 AND ISZERO ISZERO PUSH2 0x0632 JUMPI PUSH1 0x00 DUP1 REVERT JUMPDEST PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB CALLER DUP2 AND PUSH1 0x00 DUP2 DUP2 MSTORE PUSH1 0x04 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 SHA3 DUP1 SLOAD DUP8 SWAP1 SUB SWAP1 SSTORE SWAP3 DUP7 AND DUP1 DUP3 MSTORE SWAP1 DUP4 SWAP1 SHA3 DUP1 SLOAD DUP7 ADD SWAP1 SSTORE SWAP2 PUSH32 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef SWAP1 DUP6 SWAP1 MLOAD SWAP1 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP PUSH1 0x01 JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x01 PUSH1 0xa0 PUSH1 0x02 EXP SUB DUP1 DUP4 AND PUSH1 0x00 SWAP1 DUP2 MSTORE PUSH1 0x05 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 SHA3 SWAP4 DUP6 AND DUP4 MSTORE SWAP3 SWAP1 MSTORE SHA3 SLOAD JUMPDEST SWAP3 SWAP2 POP POP JUMP STOP LOG1 PUSH6 0x627a7a723058 SHA3 UNKNOWN_0xb8 UNKNOWN_0xd4 UNKNOWN_0xe DIV SWAP7 UNKNOWN_0xd3 UNKNOWN_0xdf UNKNOWN_0x2a SWAP16 UNKNOWN_0xf8 SHL SWAP3 DUP2 UNKNOWN_0xe9 UNKNOWN_0xda UNKNOWN_0xaf DUP1 UNKNOWN_0xc7 SWAP7 BLOCKHASH UNKNOWN_0xbc CODECOPY UNKNOWN_0xde EXP RETURNDATACOPY UNKNOWN_0xcb UNKNOWN_0x1e PUSH30 0x8727ddf20029000000000000000000000000000000000000000000000000 STOP STOP STOP STOP SDIV UNKNOWN_0xa6 SGT POP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP DUP1 STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP ADDMOD STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP UNKNOWN_0xc0 STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP MULMOD UNKNOWN_0xe6 UNOFFICIAL_PUSH LOG2 UNKNOWN_0xe8 DUP4 UNKNOWN_0xbd UNKNOWN_0xe9 SWAP4 UNKNOWN_0xbe STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP SUB UNKNOWN_0x4e GASLIMIT DIFFICULTY STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP