View Compilation Error

0_0_17081867_6915.cpp: In function 'int main()':
0_0_17081867_6915.cpp:10:18: error: 'N' was not declared in this scope
    scanf("%d%d",&N,&m);
                  ^
0_0_17081867_6915.cpp:10:21: error: 'm' was not declared in this scope
    scanf("%d%d",&N,&m);
                     ^
0_0_17081867_6915.cpp:11:9: error: 'M' was not declared in this scope
    if(N<M)
         ^