View Compilation Error

0_0_26333675_19889.c: In function 'main':
0_0_26333675_19889.c:8:1: error: stray '\243' in program
 scanf("%d %d",&num1,&num2)；
 ^
0_0_26333675_19889.c:8:1: error: stray '\273' in program
0_0_26333675_19889.c:9:1: error: expected ';' before 'if'
 if(num1==0&&num2==0) break;
 ^
0_0_26333675_19889.c:10:1: error: 'else' without a previous 'if'
 else printf("%d\n",num1+num2);
 ^