#include using namespace std; typedef long long ll; typedef vector vi; typedef vector vl; typedef pair pii; typedef pair pll; typedef int _loop_int; #define REP(i,n) for(_loop_int i=0;i<(_loop_int)(n);++i) #define FOR(i,a,b) for(_loop_int i=(_loop_int)(a);i<(_loop_int)(b);++i) #define FORR(i,a,b) for(_loop_int i=(_loop_int)(b)-1;i>=(_loop_int)(a);--i) #define DEBUG(x) cout<<#x<<": "<> 19)) ^ (z ^ (z << 6)); x = y; y = z; return z = t; } int main(){ cin>>k>>l>>r; lensum[0] = 0; wasum[0] = 0; sekisum[0] = 1; val[0] = ""; FOR(i,1,k+1){ ll v = i*i; val[i] = tos(v); lensum[i] = 2*lensum[i-1] + val[i].size(); wasum[i] = 2*wasum[i-1]; sekisum[i] = sekisum[i-1]*sekisum[i-1]%MOD; REP(j,val[i].size()){ int yo = val[i][j]-'0'; if(yo==0)yo=10; wasum[i] = wasum[i]+yo; sekisum[i] = sekisum[i]*yo%MOD; } if(lensum[i]>=r){ k = i; break; } } if(lensum[k]