View Compilation Error

0_0_19426727_31496.cpp:6:5: error: expected primary-expression before 'int'
     int n,m;
     ^
0_0_19426727_31496.cpp:6:5: error: expected '}' before 'int'
0_0_19426727_31496.cpp:6:5: error: expected ',' or ';' before 'int'
0_0_19426727_31496.cpp:11:5: error: expected unqualified-id before 'while'
     while(cin>>a>>b)
     ^