#include<bits/stdc++.h>
using namespace std;
inline int read()
{
	int x=0,f=1;char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+(ch^48);ch=getchar();}
	return x*f;
}
int a,b,c;
int main()
{
	a=read(),b=read(),c=read();
	if(c%2==0)
		a=abs(a),b=abs(b);
	if(a>b)
		puts(">"),exit(0);
	if(a==b)
		puts("="),exit(0);
	if(a<b)
		puts("<"),exit(0);
	return 0;
}
#include<iostream>
#include <bits/stdc++.h>
#include<stdio.h>
#include <string.h>
using namespace std;
#define ll long long
#define INF 1000007
#define MAX 500007
#define EPS 1e-9
#define PI acos(-1.0)
#define nl "\n"
#define F first
#define S second
typedef vector<ll> vi;
typedef priority_queue<ll , vector<ll> , greater<ll> > pqmx;
typedef priority_queue<ll> pqmn;
typedef pair<ll , ll> pi;
typedef vector<char> vc;
typedef vector<bool> vb;
typedef vector< pair<int , int> > vpi;
#define fr(i,n) for(i=0;i<n;i++)
#define rep(i,a,n) for(i=a;i<n;i++)
#define yeS(GOOD)      GOOD ? cout<<"YES\n" : cout<<"NO\n"
#define all(a) a.begin() , a.end()
#define pb push_back
#define ar array
ll mod = LLONG_MAX;
ll binpow(ll a, ll b){ll res=1;a%=mod;while(b>0){if(b&1)res=(res*a)%mod;a=(a*a)%mod;b>>=1;}return res;}
ll binmul(ll a, ll b){ll res=0;a%=mod;while(b>0){if(b&1)res=(res + a)%mod;a=(a + a)%mod;b>>=1;}return res;}
ll area(pi a, pi b,pi c){return abs(a.F * b.S + b.F * c.S + c.F*a.S - a.S * b.F - b.S * c.F - c.S * a.F);}
ll gcd (ll a,ll b){if(b==0)return a;else return gcd (b, a % b);}
ll lcm(ll a,ll b){return (a*b)/gcd(a,b);}
ll min(ll a,ll b){if(a < b){return a;}return b;}
ll max(ll a,ll b){if(a > b){return a;}return b;}
double intlog(ll n ,ll base){return (double)log(n)/log(base);}
double DEG_to_RAD(double d) { return d * PI / 180.0; }
double RAD_to_DEG(double r) { return r * 180.0 / PI; }

ll n , t , m , temp , temp2, root , p ,q , k , i , j , r , u , v , w;




int main(){
#ifndef ONLINE_JUDGE
    freopen("input.txt" , "r" , stdin);
    freopen("output.txt" , "w" , stdout);
#endif
    int n;
    cin>>n;
    int i = 0;
    while(n > 0){
        n -= ++i;
    }
    cout<<i<<nl;
#ifndef ONLINE_JUDGE
    cout << "Running Time: " << 1.0 * clock() / CLOCKS_PER_SEC << " s .\n";
#endif
}