0_0_20779570_27291.c: In function 'main':
0_0_20779570_27291.c:8:9: error: 'x' undeclared (first use in this function)
{ x=y=z=sum=0;
^
0_0_20779570_27291.c:8:9: note: each undeclared identifier is reported only once for each function it appears in
0_0_20779570_27291.c:8:11: error: 'y' undeclared (first use in this function)
{ x=y=z=sum=0;
^
0_0_20779570_27291.c:8:13: error: 'z' undeclared (first use in this function)
{ x=y=z=sum=0;
^
0_0_20779570_27291.c:8:15: error: 'sum' undeclared (first use in this function)
{ x=y=z=sum=0;
^
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