Hakerrank Problem
T = int(input())
list = [[input().split()] for i in range(0, T)]
for i in range(0, T):
try:
print(int(list[i][0][0])//int(list[i][0][1]))
except ZeroDivisionError as e:
print("Error Code:", e)
except ValueError as e:
print("Error Code:", e)