#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- ll N; map enumpr(ll n) { map V; for(ll i=2;i*i<=n;i++) while(n%i==0) V[i]++,n/=i; if(n>1) V[n]++; return V; } ll totient(ll v) { ll ret=v; for(ll i=2;i*i<=v;i++) if(v%i==0) { ret=ret/i*(i-1); while(v%i==0) v/=i; } if(v>1) ret=ret/v*(v-1); return ret; } void solve() { int i,j,k,l,r,x,y; string s; cin>>N; auto M=enumpr(N); x=M[2]; y=M[5]; M.erase(2); M.erase(5); if(x==0&&y==0) { N=totient(N); cout<<1<