View Compilation Error

0_0_8976171_13718.cpp: In function `int main()':
0_0_8976171_13718.cpp:20: error: expected init-declarator before "long"
0_0_8976171_13718.cpp:20: error: expected `,' or `;' before "long"
0_0_8976171_13718.cpp:21: error: `y' undeclared (first use this function)
0_0_8976171_13718.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8976171_13718.cpp:21: error: `k' undeclared (first use this function)