One drawback to the free OS is that there are many bugs, but James is a savvy computer programmer and thinks it worth the risk. James has found a suspicious piece of code. He knows the values of all variables, and he is attempting to determine if the code fragment was the one that produced the output that interrupted his high-score attempt. The first line is line number 1. This statement ends the current program.
All variables are of type integer.
Input Input will consist of a non-zero number of 'programs', each of which are completely independent of one another. The last statement will be ' END '. All variables will be initialized with a ' SET ' statement before being used in any other statement. Program ID numbers will be unique. Arguments to individual statements will always be separated by exactly one space, and there will not be any blank lines in the input file.