View Compilation Error

0_0_1292030_1753.cpp: In function `int main()':
0_0_1292030_1753.cpp:4: error: `_int64' undeclared (first use this function)
0_0_1292030_1753.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1292030_1753.cpp:4: error: expected `;' before "l1"
0_0_1292030_1753.cpp:13: error: `l1' undeclared (first use this function)
0_0_1292030_1753.cpp:15: error: `l2' undeclared (first use this function)
0_0_1292030_1753.cpp:17: error: `l3' undeclared (first use this function)