View Compilation Error

0_0_16696352_3636.cpp: In function 'int main()':
0_0_16696352_3636.cpp:17:13: error: expected ';' before 'if'
             if(n<m)
             ^
0_0_16696352_3636.cpp:21:13: error: 'else' without a previous 'if'
             else
             ^