0_0_33222802_26611.cpp: In function 'int main()': 0_0_33222802_26611.cpp:22:13: error: expected ';' before 'if' if(str[i]>='0' && str[i]<='9') ^ 0_0_33222802_26611.cpp:33:26: error: 'pritnf' was not declared in this scope pritnf("NO\n"); ^