View Compilation Error

0_0_33699175_18913.cpp:17:5: error: stray '\243' in program
     int u,v；
     ^
0_0_33699175_18913.cpp:17:5: error: stray '\273' in program
0_0_33699175_18913.cpp: In function 'void init()':
0_0_33699175_18913.cpp:18:2: error: expected initializer before 'long'
  long long w=1;
  ^
0_0_33699175_18913.cpp:31:26: error: 'v' was not declared in this scope
         scanf("%d%d",&u,&v);
                          ^
0_0_33699175_18913.cpp:32:9: error: 'w' was not declared in this scope
         w=w*2%mod;
         ^