v = list()
t = int(raw_input())
for i in range(t):
a = int(raw_input())
b = int(raw_input())
v.append(a*b);
for i in range(t):
print(v[i])
diA9IGxpc3QoKQp0ID0gaW50KHJhd19pbnB1dCgpKQpmb3IgaSBpbiByYW5nZSh0KToKCWEgPSBpbnQocmF3X2lucHV0KCkpCgliID0gaW50KHJhd19pbnB1dCgpKQoJdi5hcHBlbmQoYSpiKTsKCmZvciBpIGluIHJhbmdlKHQpOgoJcHJpbnQodltpXSk=