View Compilation Error

0_0_34801561_1755.cpp: In function 'int main()':
0_0_34801561_1755.cpp:7:3: error: 'x' was not declared in this scope
   x=(int)a;
   ^
0_0_34801561_1755.cpp:8:3: error: 'y' was not declared in this scope
   y=(int)b;
   ^
0_0_34801561_1755.cpp:9:3: error: 'z' was not declared in this scope
   z=(int)c;
   ^