0_0_39284076_20.c: In function 'main': 0_0_39284076_20.c:5:25: error: expected ')' before '{' token 5 | while(a!=0&&b!=0{c=0; | ~ ^ | ) 0_0_39284076_20.c:20:1: error: expected expression before '}' token 20 | } | ^