View Compilation Error

0_0_30632042_9273.cpp: In function 'int main()':
0_0_30632042_9273.cpp:16:6: error: 'm' was not declared in this scope
   if(m>n)
      ^
0_0_30632042_9273.cpp:16:8: error: 'n' was not declared in this scope
   if(m>n)
        ^