View Compilation Error

0_0_8264039_1430.cpp: In function `int main()':
0_0_8264039_1430.cpp:37: error: redeclaration of `int an1'
0_0_8264039_1430.cpp:27: error: `int an1' previously declared here
0_0_8264039_1430.cpp:37: error: redeclaration of `int an2'
0_0_8264039_1430.cpp:27: error: `int an2' previously declared here