View Compilation Error

0_0_8791371_29070.cpp: In function `int main()':
0_0_8791371_29070.cpp:14: error: `ese' undeclared (first use this function)
0_0_8791371_29070.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8791371_29070.cpp:14: error: expected `;' before '{' token