View Compilation Error

0_0_33284682_7263.cpp:5:5: error: stray '\243' in program
     while(scanf("%d%d%d",&n,&u,&d)！=EOF)
     ^
0_0_33284682_7263.cpp:5:5: error: stray '\241' in program
0_0_33284682_7263.cpp:11:9: error: stray '\243' in program
         t++；
         ^
0_0_33284682_7263.cpp:11:9: error: stray '\273' in program
0_0_33284682_7263.cpp: In function 'int main()':
0_0_33284682_7263.cpp:5:37: error: lvalue required as left operand of assignment
     while(scanf("%d%d%d",&n,&u,&d)！=EOF)
                                     ^
0_0_33284682_7263.cpp:12:9: error: expected ';' before 'printf'
         printf("%d\n",t);
         ^