View Compilation Error

0_0_30763004_25505.cpp: In function 'int main()':
0_0_30763004_25505.cpp:15:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    if(s == 'R')
            ^
0_0_30763004_25505.cpp:17:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    else if(s == 'Y')
                 ^