View Compilation Error

0_0_5172608_29517.cpp: In function `int main()':
0_0_5172608_29517.cpp:14: error: `I' undeclared (first use this function)
0_0_5172608_29517.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5172608_29517.cpp:14: error: missing terminating " character
0_0_5172608_29517.cpp:15: error: expected `;' before '}' token