Buggy python submission (verdict: Runtime Error):
import math

c  = input();

for var in range(0, int(c)) :
	n1 = input();
	n2 = input();
	sum = int(n1) + int(n2);

	if int(math.log10(sum)) + 1 > 80 :
		print("overflow");
	else :
		print(sum);

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)

Buggy python submission (verdict: Runtime Error):
import math

c  = raw_input();

for var in range(0, int(c)) :
	n1 = raw_input();
	n2 = raw_input();
	sum = int(n1) + int(n2);

	if int(math.log10(sum)) + 1 > 80 :
		print("overflow");
	else :
		print(sum);

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)

Buggy python submission (verdict: Runtime Error):
import math

c  = raw_input()

for var in range(0, int(c)) :
	n1 = raw_input()
	n2 = raw_input()
	sum = int(n1) + int(n2)

	if int(math.log10(sum)) + 1 > 80 :
		print("overflow")
	else :
		print(sum)

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)

Buggy python submission (verdict: Runtime Error):
import math
c  = raw_input()
for var in range(0, int(c)) :
	n1 = raw_input();
	n2 = raw_input();
	sum = int(n1) + int(n2)
	if int(math.log10(sum)) + 1 > 80 :
		print("overflow")
	else :
		print(sum)

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)

Buggy python submission (verdict: Runtime Error):
import math
c  = raw_input();
for var in range(0, int(c)) :
	n1 = raw_input();
	n2 = raw_input();
	sum = int(n1) + int(n2)
	if int(math.log10(sum)) + 1 > 80 :
		print("overflow")
	else :
		print(sum)
exit(0)

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)

Buggy python submission (verdict: Runtime Error):
import math
c  = raw_input();
for var in range(0, int(c)) :
	n1 = raw_input();
	n2 = raw_input();
	sum = int(n1) + int(n2)
	if int(math.log10(sum)) + 1 > 80 :
		print("overflow")
	else :
		print(sum)
exit()

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)

Buggy python submission (verdict: Runtime Error):
import math
n = input();
for var in range(0, int(n)) :
	c1 = input();
	c2 = input();
	sum = int(c1) + int(c2);
	if(math.log10(sum) + 1 > 80) :
		print("overflow");
	else :
		print(sum);

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)

Buggy python submission (verdict: Runtime Error):
import math

def main() :
    n = int(input())
    for i in range(0, n) :
        a = int(input())
        b = int(input())
        if (math.log10(a + b) + 1 > 80) :
            print("overflow")
            continue
        print(a + b)

main()

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)

Buggy python submission (verdict: Runtime Error):
import math

def main() :
    n = int(input())
    for i in range(0, n) :
        a = int(input())
        b = int(input())
        if (math.log10(a + b) + 1 > 80) :
            print("overflow")
            continue
        print(a + b)

main()

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)

Buggy python submission (verdict: Runtime Error):
import math

def main() :
    n = int(input())
    for i in range(0, n) :
        a = int(input())
        b = int(input())
        if (math.log10(a + b) + 1 > 80) :
            print("overflow")
            continue
        print(a + b)

main()

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)

Buggy python submission (verdict: Runtime Error):
import math

n = int(input())
for i in range(0, n) :
    a = int(input())
    b = int(input())
    if (math.log10(a + b) + 1 > 80) :
        print("overflow")
        continue
    print(a + b)

Fixed submission:
for _ in range(int(input())) :
    n = int(input()) + int(input())
    if (n >= 10 ** 80) :
        print("overflow")
    else :
        print(n)