View Compilation Error

0_0_16435538_27739.cpp: In function 'int main()':
0_0_16435538_27739.cpp:20:6: error: expected '(' before '%' token
    if%2
      ^
0_0_16435538_27739.cpp:20:7: error: expected '}' at end of input
    if%2
       ^
0_0_16435538_27739.cpp:20:7: error: expected '}' at end of input
0_0_16435538_27739.cpp:20:7: error: expected '}' at end of input