View Compilation Error

0_0_30845913_21284.cpp: In function 'void prime_seg()':
0_0_30845913_21284.cpp:31:17: error: 'po' was not declared in this scope
                 po
                 ^
0_0_30845913_21284.cpp:31:17: error: expected '}' at end of input
0_0_30845913_21284.cpp:31:17: error: expected '}' at end of input
0_0_30845913_21284.cpp:31:17: error: expected '}' at end of input
0_0_30845913_21284.cpp:31:17: error: expected '}' at end of input