0_0_9955401_17058.cpp: In function `int main()':
0_0_9955401_17058.cpp:23: error: `a' undeclared (first use this function)
0_0_9955401_17058.cpp:23: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9955401_17058.cpp:23: error: expected `;' before "pos1"
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