View Compilation Error

0_0_14561546_13917.cpp: In function 'long long int power(long long int, int, long long int)':
0_0_14561546_13917.cpp:8:51: error: 'll' was not declared in this scope
 long long power(long long a,int b,long long mod) {ll res=1;a%=mod;for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
                                                   ^
0_0_14561546_13917.cpp:8:88: error: 'res' was not declared in this scope
 long long power(long long a,int b,long long mod) {ll res=1;a%=mod;for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
                                                                                        ^
0_0_14561546_13917.cpp:8:120: error: 'res' was not declared in this scope
 long long power(long long a,int b,long long mod) {ll res=1;a%=mod;for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
                                                                                                                        ^